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Homogeneous mixture of two or more substances.

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Coke

An impure form of carbon obtained by destructive distillation of coal or petroleum.

Dissociation Constant

Equilibrium constant that applies to the dissociation of a comples ion into a simple ion and coordinating species (ligands).

Catalyst

A substance that speeds up a chemical reaction without being consumed itself in the reaction.
A substance that alters (usually increases) the rate at which a reaction occurs.

Ground State

The lowest energy state or most stable state of an atom, molecule or ion.

Condensed States

The solid and liquid states.

Metalloids

Elements with properties intermediate between metals and nonmetals: B, Al, Si, Ge, As, Sb, Te, Po, and At.

Surface Tension

It is the force in dynes acting along the surface of the liquid 1cm in length and perpendicular to it.

Neutralization

The reaction of an acid with a base to form a salt and water. Usually, the reaction of hydrogen ions with hydrogen ions to form water molecules.

Alkali Metals

Metals of Group IA (Na, K, Rb).

Insoluble Compound

A very slightly soluble compound.